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| author | Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> | 2023-02-20 18:10:51 +0000 |
|---|---|---|
| committer | Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> | 2023-02-20 18:10:51 +0000 |
| commit | d3b46bb74ec53f9d135cdf90a0aafcd03ac97277 (patch) | |
| tree | 7ca4391683ed211dfa93ec366da23a02ceff1cd2 | |
| parent | 267cd1d2c5abf5f0d825822a4179ba807b69ffb4 (diff) | |
| download | rust-d3b46bb74ec53f9d135cdf90a0aafcd03ac97277.tar.gz rust-d3b46bb74ec53f9d135cdf90a0aafcd03ac97277.zip | |
Use named arguments for `uint_impl` macro
This makes it easier to understand.
| -rw-r--r-- | library/core/src/num/mod.rs | 188 | ||||
| -rw-r--r-- | library/core/src/num/uint_macros.rs | 25 |
2 files changed, 174 insertions, 39 deletions
diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs index 0497416745f..381fa68a1a4 100644 --- a/library/core/src/num/mod.rs +++ b/library/core/src/num/mod.rs @@ -290,8 +290,25 @@ impl isize { const ASCII_CASE_MASK: u8 = 0b0010_0000; impl u8 { - uint_impl! { u8, u8, i8, NonZeroU8, 8, 255, 2, "0x82", "0xa", "0x12", "0x12", "0x48", "[0x12]", - "[0x12]", "", "", "" } + uint_impl! { + Self = u8, + ActualT = u8, + SignedT = i8, + NonZeroT = NonZeroU8, + BITS = 8, + MAX = 255, + rot = 2, + rot_op = "0x82", + rot_result = "0xa", + swap_op = "0x12", + swapped = "0x12", + reversed = "0x48", + le_bytes = "[0x12]", + be_bytes = "[0x12]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u8, u16, 8, unsigned } /// Checks if the value is within the ASCII range. @@ -875,8 +892,25 @@ impl u8 { } impl u16 { - uint_impl! { u16, u16, i16, NonZeroU16, 16, 65535, 4, "0xa003", "0x3a", "0x1234", "0x3412", "0x2c48", - "[0x34, 0x12]", "[0x12, 0x34]", "", "", "" } + uint_impl! { + Self = u16, + ActualT = u16, + SignedT = i16, + NonZeroT = NonZeroU16, + BITS = 16, + MAX = 65535, + rot = 4, + rot_op = "0xa003", + rot_result = "0x3a", + swap_op = "0x1234", + swapped = "0x3412", + reversed = "0x2c48", + le_bytes = "[0x34, 0x12]", + be_bytes = "[0x12, 0x34]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u16, u32, 16, unsigned } /// Checks if the value is a Unicode surrogate code point, which are disallowed values for [`char`]. @@ -906,56 +940,144 @@ impl u16 { } impl u32 { - uint_impl! { u32, u32, i32, NonZeroU32, 32, 4294967295, 8, "0x10000b3", "0xb301", "0x12345678", - "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", "[0x12, 0x34, 0x56, 0x78]", "", "", "" } + uint_impl! { + Self = u32, + ActualT = u32, + SignedT = i32, + NonZeroT = NonZeroU32, + BITS = 32, + MAX = 4294967295, + rot = 8, + rot_op = "0x10000b3", + rot_result = "0xb301", + swap_op = "0x12345678", + swapped = "0x78563412", + reversed = "0x1e6a2c48", + le_bytes = "[0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u32, u64, 32, unsigned } } impl u64 { - uint_impl! { u64, u64, i64, NonZeroU64, 64, 18446744073709551615, 12, "0xaa00000000006e1", "0x6e10aa", - "0x1234567890123456", "0x5634129078563412", "0x6a2c48091e6a2c48", - "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", - "", "", ""} + uint_impl! { + Self = u64, + ActualT = u64, + SignedT = i64, + NonZeroT = NonZeroU64, + BITS = 64, + MAX = 18446744073709551615, + rot = 12, + rot_op = "0xaa00000000006e1", + rot_result = "0x6e10aa", + swap_op = "0x1234567890123456", + swapped = "0x5634129078563412", + reversed = "0x6a2c48091e6a2c48", + le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u64, u128, 64, unsigned } } impl u128 { - uint_impl! { u128, u128, i128, NonZeroU128, 128, 340282366920938463463374607431768211455, 16, - "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012", - "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48", - "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \ - 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \ - 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", - "", "", ""} + uint_impl! { + Self = u128, + ActualT = u128, + SignedT = i128, + NonZeroT = NonZeroU128, + BITS = 128, + MAX = 340282366920938463463374607431768211455, + rot = 16, + rot_op = "0x13f40000000000000000000000004f76", + rot_result = "0x4f7613f4", + swap_op = "0x12345678901234567890123456789012", + swapped = "0x12907856341290785634129078563412", + reversed = "0x48091e6a2c48091e6a2c48091e6a2c48", + le_bytes = "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \ + 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \ + 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } #[cfg(target_pointer_width = "16")] impl usize { - uint_impl! { usize, u16, isize, NonZeroUsize, 16, 65535, 4, "0xa003", "0x3a", "0x1234", "0x3412", "0x2c48", - "[0x34, 0x12]", "[0x12, 0x34]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 16-bit targets" } + uint_impl! { + Self = usize, + ActualT = u16, + SignedT = isize, + NonZeroT = NonZeroUsize, + BITS = 16, + MAX = 65535, + rot = 4, + rot_op = "0xa003", + rot_result = "0x3a", + swap_op = "0x1234", + swapped = "0x3412", + reversed = "0x2c48", + le_bytes = "[0x34, 0x12]", + be_bytes = "[0x12, 0x34]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 16-bit targets", + } widening_impl! { usize, u32, 16, unsigned } } + #[cfg(target_pointer_width = "32")] impl usize { - uint_impl! { usize, u32, isize, NonZeroUsize, 32, 4294967295, 8, "0x10000b3", "0xb301", "0x12345678", - "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", "[0x12, 0x34, 0x56, 0x78]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 32-bit targets" } + uint_impl! { + Self = usize, + ActualT = u32, + SignedT = isize, + NonZeroT = NonZeroUsize, + BITS = 32, + MAX = 4294967295, + rot = 8, + rot_op = "0x10000b3", + rot_result = "0xb301", + swap_op = "0x12345678", + swapped = "0x78563412", + reversed = "0x1e6a2c48", + le_bytes = "[0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 32-bit targets", + } widening_impl! { usize, u64, 32, unsigned } } #[cfg(target_pointer_width = "64")] impl usize { - uint_impl! { usize, u64, isize, NonZeroUsize, 64, 18446744073709551615, 12, "0xaa00000000006e1", "0x6e10aa", - "0x1234567890123456", "0x5634129078563412", "0x6a2c48091e6a2c48", - "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 64-bit targets" } + uint_impl! { + Self = usize, + ActualT = u64, + SignedT = isize, + NonZeroT = NonZeroUsize, + BITS = 64, + MAX = 18446744073709551615, + rot = 12, + rot_op = "0xaa00000000006e1", + rot_result = "0x6e10aa", + swap_op = "0x1234567890123456", + swapped = "0x5634129078563412", + reversed = "0x6a2c48091e6a2c48", + le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 64-bit targets", + } widening_impl! { usize, u128, 64, unsigned } } diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 495c44bd859..c4fe8e966fd 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -1,10 +1,23 @@ macro_rules! uint_impl { - ($SelfT:ty, $ActualT:ident, $SignedT:ident, $NonZeroT:ident, - $BITS:expr, $MaxV:expr, - $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr, - $reversed:expr, $le_bytes:expr, $be_bytes:expr, - $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr, - $bound_condition:expr) => { + ( + Self = $SelfT:ty, + ActualT = $ActualT:ident, + SignedT = $SignedT:ident, + NonZeroT = $NonZeroT:ident, + BITS = $BITS:expr, + MAX = $MaxV:expr, + rot = $rot:expr, + rot_op = $rot_op:expr, + rot_result = $rot_result:expr, + swap_op = $swap_op:expr, + swapped = $swapped:expr, + reversed = $reversed:expr, + le_bytes = $le_bytes:expr, + be_bytes = $be_bytes:expr, + to_xe_bytes_doc = $to_xe_bytes_doc:expr, + from_xe_bytes_doc = $from_xe_bytes_doc:expr, + bound_condition = $bound_condition:expr, + ) => { /// The smallest value that can be represented by this integer type. /// /// # Examples |
